Finding the Fourth Proportional to 153,114.08, 211,296.48 and 86,046.08
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Solution
The fourth proportional to 153,114.08, 211,296.48 and 86,046.08 is: 118,743.06
Step by Step Solution
- Step 1: Write the proportion equation
153,114.08 : 211,296.48 = 86,046.08 : x - Step 2: Convert to fraction form
153,114.08/211,296.48 = 86,046.08/x - Step 3: Cross multiply
153,114.08x = 211,296.48 × 86,046.08 - Step 4: Simplify right side
153,114.08x = 18,181,233,821.80 - Step 5: Solve for x
x = 18,181,233,821.80/153,114.08 - Step 6: Final answer
x = 118,743.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.